Possible Clues:

• 'Oh, be serious!'
• "Mind your own business!"
• Feel gait becoming unsteady? Spend more time outside perhaps
• Be more adventurous, eg knocking back one of Mr Kipling's, tucking into porky pie ...
• Do something to change your situation for the better
• Buy some biography to extend one's horizons
• "Stop sweating the small stuff!"
• 'Stop sweating the small stuff!'
• Biographical advice for the dead boring
• Buy a biography? Do something more interesting!